CN213814355U - Control circuit of water dispenser - Google Patents
Control circuit of water dispenser Download PDFInfo
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- CN213814355U CN213814355U CN202022501797.7U CN202022501797U CN213814355U CN 213814355 U CN213814355 U CN 213814355U CN 202022501797 U CN202022501797 U CN 202022501797U CN 213814355 U CN213814355 U CN 213814355U
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Abstract
The utility model discloses a water dispenser control circuit, including power module, heating load, relay module, electrical parameter detection module, play water temperature detection module, temperature detection module and processing module of intaking, processing module passes through relay module control power module with the electricity of heating load is connected, electrical parameter detection module go out water temperature detection module and intake temperature detection module respectively with processing module is connected. According to the technical scheme, the voltage and the current output to the heating load by the power supply module are detected by the electrical parameter detection module, and the variation of the water temperature in the heating liner of the water dispenser is detected by the water outlet temperature detection module and the water inlet temperature detection module respectively, so that the real-time water storage capacity in the heating liner of the water dispenser is calculated; compared with the prior art, the technical scheme has the advantages that a flowmeter sensor is not required to be configured, the mounting structure of the water dispenser is simplified, and the cost is effectively reduced.
Description
Technical Field
The utility model relates to an electronic circuit technical field, more specifically say and relate to a water dispenser control circuit.
Background
In the prior art, all water dispensers are provided with flow meter sensors for detecting the water storage capacity of a heating inner container in the water dispenser in real time and executing various operations such as controlling the starting of a water inlet valve according to the water storage capacity of the heating inner container.
Although the detection work of the water storage capacity of the heating inner container can be realized through the flowmeter sensor in the prior art, the scheme has the advantages of higher cost, more complex installation structure and larger occupied space, and is not utilized for popularization and application of the water dispenser.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water dispenser control circuit to solve one or more technical problems that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows:
a control circuit of a water dispenser comprises a power module, a heating load, a relay module, an electrical parameter detection module, a water outlet temperature detection module, a water inlet temperature detection module and a processing module, wherein the processing module controls the power module to be electrically connected with the heating load through the relay module, and the electrical parameter detection module, the water outlet temperature detection module and the water inlet temperature detection module are respectively connected with the processing module;
the electrical parameter detection module is configured to acquire a voltage parameter and a current parameter output to the heating load by the power supply module;
the processing module is configured to calculate the water storage capacity of a heating inner container in the water dispenser according to the input data of the electrical parameter detection module, the water outlet temperature detection module and the water inlet temperature detection module.
As a further improvement of the above technical solution, the electrical parameter detection module comprises a first potential output terminal, a second potential output terminal, a resistor R1, a resistor R2 and a diode D1, the resistor R1 is a constantan wire resistor, the power supply module comprises a load power supply end and a low-voltage power supply end, the load power supply end of the power supply module is connected with the heating load through the resistor R1, the connection point of the resistor R1 and the heating load is used as the first potential output end, the load power supply end of the power supply module is connected with the anode of the diode D1 through the resistor R2, the cathode of the diode D1 is connected with the low-voltage power supply end of the power supply module, the anode of the diode D1 is connected with the second potential output end, the first potential output end and the second potential output end are respectively connected with the processing module.
As a further improvement of the above technical solution, the present technical solution further includes an amplifier module, and the first potential output end of the electrical parameter detection module is connected to the processing module through the amplifier module.
As a further improvement of the above technical solution, the amplifier module is an in-phase proportional operational amplifier circuit.
As a further improvement of the above technical solution, the amplifier module is integrated inside the processing module.
As a further improvement of the above technical solution, the power supply module further includes a zero-crossing detection module, the zero-crossing detection module is connected to the power supply module, and the zero-crossing detection module is connected to the processing module.
The utility model has the advantages that: according to the technical scheme, the voltage and the current output to the heating load by the power supply module are detected by the electrical parameter detection module, and the variation of the water temperature in the heating liner of the water dispenser is detected by the water outlet temperature detection module and the water inlet temperature detection module respectively, so that the real-time water storage capacity in the heating liner of the water dispenser is calculated; compared with the prior art, the technical scheme has the advantages that a flowmeter sensor is not required to be configured, the mounting structure of the water dispenser is simplified, and the cost is effectively reduced.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a circuit module frame diagram of the present invention;
fig. 2 is a schematic circuit diagram of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, the present application discloses a control circuit of a water dispenser, a first embodiment of which comprises:
the power supply module is provided with a load power supply end and a low-voltage power supply end and is used for converting alternating current commercial power into a plurality of power supply voltages with different amplitudes, wherein the load power supply end is used for being connected with a heating load in a heating inner container of the water dispenser, and the low-voltage power supply end is used for outputting low-voltage direct current power supply voltage;
the heating load is arranged in a heating inner container of the water dispenser and used for heating water in the heating inner container, and the heating load is connected with a load power supply end of the power supply module;
the water inlet temperature detection module is arranged at the water inlet end in the heating inner container of the water dispenser and is used for detecting the water inlet temperature of the heating inner container;
the water outlet temperature detection module is arranged at the water outlet end in the heating inner container of the water dispenser and is used for detecting the water outlet temperature of the heating inner container;
the electric parameter detection module is connected with the power supply module and is used for detecting the voltage parameter and the current parameter which are output to the heating load by the power supply module;
the relay module and the processing module;
the relay module is connected with the processing module, the processing module controls the load power supply end of the power supply module to be electrically connected with the heating load through the relay module, and the low-voltage power supply end of the power supply module is respectively connected with the processing module, the electrical parameter detection module, the water inlet temperature detection module and the water outlet temperature detection module;
the processing module is configured to calculate the water storage capacity of a heating inner container in the water dispenser according to the input data of the electrical parameter detection module, the water outlet temperature detection module and the water inlet temperature detection module.
In the embodiment, the calculation function of the water storage capacity of the heating inner container in the water dispenser is realized by mainly utilizing the law of energy conservation, the power of the heating load is calculated through the voltage parameter and the current parameter obtained by the electrical parameter detection module, the variation of the water temperature in the heating inner container of the water dispenser is calculated through the detection data of the water inlet temperature detection module and the water outlet temperature detection module, and finally the water storage capacity of the heating inner container in the water dispenser can be calculated by combining the specific heat capacity of water.
It should be noted that, although the technical solution utilizes the software program in the processing module to realize the calculation function of the water storage capacity of the heating inner container in the water dispenser, the related software program belongs to the prior art.
Further, in a preferred embodiment, in the present embodiment, the electrical parameter detection module includes a first potential output end, a second potential output end, a resistor R1, a resistor R2, and a diode D1, where the resistor R1 is a constantan wire resistor, a load power supply end of the power module is connected to the heating load through the resistor R1, a connection point between the resistor R1 and the added load is used as the first potential output end, the load power supply end of the power module is connected to an anode of the diode D1 through the resistor R2, a cathode of the diode D1 is connected to a low-voltage power supply end of the power module, an anode of the diode D1 is connected to the second potential output end, and the first potential output end and the second potential output end are respectively connected to the processing module. In this embodiment, the processing module may calculate a voltage parameter and a current parameter output to the heating load by the load power supply end of the power module by detecting the first potential output end and the second potential output end.
As a further preferred implementation manner, this embodiment specifically further includes an amplifier module, where the amplifier module is an in-phase proportional amplifying circuit, and the first potential output end of the electrical parameter detection module is connected to the processing module through the amplifier module. More preferably, in this embodiment, the amplifier module is integrated inside the processing module.
Further as a preferred implementation manner, this embodiment specifically further includes a zero-crossing detection module, where the zero-crossing detection module is connected to the power module, and the zero-crossing detection module is connected to the processing module. Specifically, in this embodiment, the zero-crossing detection module detects the zero-crossing time of the ac mains power input by the power supply module, so as to implement accurate switching operation on the relay module.
Further as a preferred implementation manner, in this embodiment, the relay module includes a resistor R3, a resistor R4, a transistor Q1, a diode D2, and a relay J1, the processing module is grounded via the resistor R3 and the resistor R4 in sequence, a base of the transistor Q1 is connected to a connection point between the resistor R3 and the resistor R4, an emitter of the transistor Q1 is grounded, a collector of the transistor Q1 is connected to an anode of the diode D2, a cathode of the diode D2 is connected to a low-voltage power supply end of the power module, two ends of an input winding of the relay J1 are connected to the anode and the cathode of the diode D2, and an output end of the relay J1 is connected between a load power supply end of the power module and the heating load to control electrical connection therebetween.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (6)
1. A control circuit of a water dispenser is characterized in that: the system comprises a power supply module, a heating load, a relay module, an electrical parameter detection module, a water outlet temperature detection module, a water inlet temperature detection module and a processing module, wherein the processing module controls the electrical connection of the power supply module and the heating load through the relay module;
the electrical parameter detection module is configured to acquire a voltage parameter and a current parameter output to the heating load by the power supply module;
the processing module is configured to calculate the water storage capacity of a heating inner container in the water dispenser according to the input data of the electrical parameter detection module, the water outlet temperature detection module and the water inlet temperature detection module.
2. The control circuit of the water dispenser according to claim 1, characterized in that: the electrical parameter detection module comprises a first potential output end, a second potential output end, a resistor R1, a resistor R2 and a diode D1, wherein the resistor R1 is a constantan wire resistor, the power supply module comprises a load power supply end and a low-voltage power supply end, the load power supply end of the power supply module passes through the resistor R1 and the heating load are connected, the resistor R1 and a connection point of the heating load are used as the first potential output end, the load power supply end of the power supply module passes through the resistor R2 and the anode of the diode D1, the cathode of the diode D1 is connected with the low-voltage power supply end of the power supply module, the anode of the diode D1 is connected with the second potential output end, and the first potential output end and the second potential output end are respectively connected with the processing module.
3. The control circuit of the water dispenser according to claim 2, characterized in that: the first potential output end of the electrical parameter detection module is connected with the processing module through the amplifier module.
4. The control circuit of the water dispenser according to claim 3, characterized in that: the amplifier module is an in-phase proportional operational amplifier circuit.
5. The control circuit of the water dispenser according to claim 4, characterized in that: the amplifier module is integrated inside the processing module.
6. The control circuit of the water dispenser according to claim 1, characterized in that: the power supply module is connected with the power supply module, and the zero-crossing detection module is connected with the processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022501797.7U CN213814355U (en) | 2020-11-03 | 2020-11-03 | Control circuit of water dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022501797.7U CN213814355U (en) | 2020-11-03 | 2020-11-03 | Control circuit of water dispenser |
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| Publication Number | Publication Date |
|---|---|
| CN213814355U true CN213814355U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022501797.7U Active CN213814355U (en) | 2020-11-03 | 2020-11-03 | Control circuit of water dispenser |
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| CN (1) | CN213814355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115268535A (en) * | 2022-07-27 | 2022-11-01 | 深圳安吉尔饮水产业集团有限公司 | Accurate control method of open-loop instant heating control system |
-
2020
- 2020-11-03 CN CN202022501797.7U patent/CN213814355U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115268535A (en) * | 2022-07-27 | 2022-11-01 | 深圳安吉尔饮水产业集团有限公司 | Accurate control method of open-loop instant heating control system |
| CN115268535B (en) * | 2022-07-27 | 2024-03-15 | 深圳安吉尔饮水产业集团有限公司 | Precise control method of open-loop instant heating control system |
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